Residential Gas Boilers 

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Toronto, Mississauga & Hamilton Boiler Installation, Sales, Repair

Hvac for life provides best and hi end Gas water boiler, hydronic hot water heating, including boiler service, repairs and new gas boiler installations.

Boilers are the Mane part of hydronic heating systems, Hot water heating systems, the most desirable home heating systems available in the Canadian market. These systems offer a variety of options to deliver comfortable, even heat throughout your home. A boiler and hydronic heating system is an outstanding, clean and quiet heating option.

Hvac for life sell install and services all major boiler brands Buderus, Burnham, Camus, HTP, HydroTherm, Laars, Lochinvar, NTI, Slant Fin, Viessmann, Well-Mclain, on demand endless domestic hot water, in floor heating snow and ice melt systems for outdoor walkways and driveways.  

 

If you have a boiler that needs service, or if you're looking to installing a new boiler in your home or office, please fill out the Request a Quote form below and will be in touch to help with in 2 hours during normal business Operations :

 

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Boiler is a closed vessel in which water is heated, steam is generated or super heated, or any combination thereof, under pressure or vacuum by the application of heat resulting from the combustion of fuel (such as in a natural gas boiler), electrical resistance heating or the recovery and conversion of normally unused energy. There are two basic types of boilers – water tube, a boiler in which the tubes contain water and steam, the heat being applied to the outside surface; and fire tube, a boiler with straight tubes, which are surrounded by water and steam and through which the products of combustion pass.  

 

The boiler receives the feed water, which consists of varying proportion of recovered condensed water (return water) and fresh water, which has been purified in varying degrees (make up water). The make-up water is usually natural water either in its raw state, or treated by some process before use. Feed-water composition therefore depends on the quality of the make-up water and the amount of condensate returned to the boiler. The steam, which escapes from the boiler, frequently contains liquid droplets and gases. The water remaining in liquid form at the bottom of the boiler picks up all the foreign matter from the water that was converted to steam. The impurities must be blown down by the discharge of some of the water from the boiler to the drains. The permissible percentage of blown down at a plant is strictly limited by running costs and initial outlay,The tendency is to reduce this percentage to a very small figure.  

 

Proper treatment of boiler feed water is an important part of operating and maintaining a boiler system. As steam is produced, dissolved solids become concentrated and form deposits inside the boiler. This leads to poor heat transfer and reduces the efficiency of the boiler. Dissolved gases such as oxygen and carbon dioxide will react with the metals in the boiler system and lead to boiler corrosion. In order to protect the boiler from these contaminants, they should be controlled or removed, trough external or internal treatment. For more information check the boiler water treatment web page.  

 

Boilers date back at least to steam production undertaken by Greek scientist/mathematician, Hero, in 200 BC. Out of the late 1700's grew a manufacturing base in the United States that became the envy of the world—steam boilers were the spark to a successful Industrial Revolution. In 1888, to combat early poor construction practices that led to unsafe operational conditions, the founders of the canadian Boiler Manufacturers Association initiated and promoted construction and safety-related boiler codes and standards. These, along with many innovative technological advances, have stimulated the use of safe, clean and efficient boilers and boiler-related systems. The boiler industry provides the products that drive the engine of Canada industrialization, yet also heats and cools the hospitals, schools, churches, offices, gathering places, and homes of canada. It is no exaggeration to say that few technologies devised by man have produced so much to advance mankind as has the safe and dependable generation of steam made possible by the boiler.  

 

How condensing boilers work  
In a conventional boiler, fuel is burned and the hot gases produced are passed through a heat exchanger where much of their heat is transferred to water, thus raising the water's temperature. 

 

One of the hot gases produced in the combustion process is water vapour (steam), which arises from burning the hydrogen content of the fuel. A condensing boiler extracts additional heat from the waste gases by condensing this water vapour to liquid water, thus recovering its latent heat. A typical increase of efficiency can be as much as 10-12%. The effectiveness of this condensing process varies, it depends upon the temperature of the water returning to the boiler, but for the same conditions, it is always at least as efficient as a non-condensing boiler.  

 

The condensate produced is slightly acidic, 3-5 pH, so the choice of materials used in the wetted areas have to be suitable. At high temperature most commonly used are aluminum alloys and stainless steel, in the low temperature areas plastics are most cost effective, for example CPVC and polypropylene. The production of condensate also requires the installation of a heat exchanger condensate drainage system. For a basic installation this is the only difference required compared to a non-condensing boiler.  

 

For the heat exchanger within a condensing boiler to be economic to manufacture, and for the appliance to be manageable at installation, the smallest practical size for its output is preferred. 

 

This has produced heat exchangers with very high combustion side resistance and so the use of a combustion fan to move the products through narrow passageways has been adopted. This also has had the benefit of providing the energy for the flue system as the expelled combustion gases are usually below 100C and no longer have much natural buoyancy.  

 

Efficiency  
Condensing boiler manufacturers claim that up to 98% thermal efficiency can be achieved, compared to 70%-80% with conventional designs (based on the higher heating value of fuels). Typical models offer efficiency around 90%, which brings most brands of condensing gas boiler in to the highest available categories for energy efficiency. 

 

Boiler performance is based on the efficiency of heat transfer and highly dependent on boiler size/output and emitter size/output. System design and installation is critical. Matching the radiation to the Btu/Caloric output of the boiler and consideration of the emitter/radiator design temperatures determines the overall efficiency of the space and domestic water heating system.  

 

If the return temperature is kept below approximately 55°C the boiler should still be in condensing mode making low temperature applications such as radiant floors and even old cast iron radiators a good match for the technology.  

 

Most manufacturers of the new domestic condensing boilers produce a very basic "fits all" in-built control system that ends up with the boiler running in condensing mode only on initial heat-up, after which the efficiency drops off, although it should still exceed that of older models (see the following three documents published by the Building Research Establishment: Information Papers 10-88 and 19-94; General Information Leaflet 74; Digest 339. See also Application Manual AM3 1989: Condensing Boilers by Chartered Institute of Building Services Engineers).  

 

In Canada, Ontario, Toronto all residential boilers (of foreign or domestic origin) are tested and rated by the Canadian Department of Energy to an Annual Fuel Utilization Efficiency (AFUE) rating. All residential condensing boilers currently available have an AFUE of 90% or more. The vast majority are now rated at 95%+. All condensing boilers also qualify and are usually listed as EPA "Energy Star" appliances, qualify for power company rebates and federal tax credits. All condensing boilers in Canada are fitted with microprocessors to modulate output, and capable of operating on outdoor reset. 

 

Specialist in hydronic heating gas boiler, in floor heating snow melting and gas water heaters for residential and commercial , we do service Toronto , Mississauga , Markham , Richmond Hill , Brampton and Oakville. Can provide you with all your high efficiency Tank and tank less water heaters  Systems needs, for Residential and Commercial .